|
|
|
QR25 CAMSHAFTS
The QR25DE is a 2.5 L (2488 cc) variant built in Decherd, TN with cast steel connecting rods, a steel timing chain, counter-rotating balance-shafts, and an aluminum intake manifold. The engine bore is 89 mm with a stroke of 100 mm and a compression ratio of 9.5:1. Output is rated 175 hp at 6000 rpm with 180 ft·lb of torque at 4000 rpm in the Altima 2.5 (2002-present) and Sentra SE-R (2002-present) models. Altimas that are PZEV compliant create 170 hp and 175 ft·lb of torque. In the 2005+ Nissan Frontier (2005-present) the QR25DE generates 154 hp and 173 ft·lb of torque. More recently, in the Nissan SE-R Spec V (2007-present) the QR25DE generates 200 hp @ 6600 rpm and 180 ft·lb of torque @ 5200 rpm with a 7000 rpm redline. The crankshaft comes fully balanced allowing removal of the counter-shafts built into the older style QR25. The newer version is also equipped with a composite intake manifold and compression has been bumped up to 10.5:1.
|
 |
 |
 |
Stage |
|
Description |
|
Part# |
|
Adv. Dur. |
|
Dur @ .050 |
|
Lift (in) |
|
Lift (mm) |
|
Kit# |
|
Dyno |
|
Shop |
|
Status |
|
|
 |
Street/Strip Specification
Plug and play application. Short duration for nice street manners, slight lope at idle. Excellent all purpose spec. Pick up 1500 rpm at redline. OEM spring OK. |
BC0261 |
264°/256° |
230°/221° |
.424"/.399" |
10.77/10.13 |
BC0260 |
|
 |
Out of Stock |
|
 |
Race Specification
Longer duration profile, added rpm potential. Intended for fully built engine. Tuning and ECU mods recommended. Requires kit BC0260. |
BC0262 |
272°/264° |
238°/228° |
.430"/.410" |
10.92/10.41 |
BC0260 |
|
|
In-Stock |
|
|
 |
Nissan OEM QR25DE cam specs |
Stock |
256°/256° |
214°/194° |
.406"/.340" |
10.31/8.64 |
|
|
|
|
|
619.749.9018 ph
619.749.9128 fx
|
Some products listed are not legal for sale or use on emission controlled motor vehicles,
RPM ranges vary on application. Warranty Information
Copyright © Brian Crower Inc. All rights reserved. |
 |
|
|
|
